Home / 124,014.08-171,139.04-67,425.60

Finding the Fourth Proportional to 124,014.08, 171,139.04 and 67,425.60

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Solution

The fourth proportional to 124,014.08, 171,139.04 and 67,425.60 is: 93,047.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,014.08 : 171,139.04 = 67,425.60 : x
  2. Step 2: Convert to fraction form
    124,014.08/171,139.04 = 67,425.60/x
  3. Step 3: Cross multiply
    124,014.08x = 171,139.04 × 67,425.60
  4. Step 4: Simplify right side
    124,014.08x = 11,539,152,455.42
  5. Step 5: Solve for x
    x = 11,539,152,455.42/124,014.08
  6. Step 6: Final answer
    x = 93,047.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.